class_docstr: Unit tests for generic functions ed_utils.py 
docstr: Sets up unit tests. 
docstr_tok: ["Sets","up","unit","tests","."]
code: def setUp(self):
      """Sets up unit tests."""
      self.lhs_data = [(1, 10), (2, 5), (4, 10), (10, 100)]
  
file_path: dragonfly/dragonfly/exd/unittest_exd_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from .exd_utils import random_sampling_cts, random_sampling_kmeans_cts
  from ..utils.base_test_class import BaseTestClass, execute_tests
label_desc: Use image node_id 1 for calling the EDUtilsTestCase obj's underlying member method code with example usage: obj.setUp() without return types